Mount adapter bracket



FIG. 1 is a perspective view of a mount adapter bracket;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation view of thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear view thereof.

The evenly-spaced broken lines in FIGS. 1-7 illustrate portions of the mount adapter bracket that form no part of the claimed design. The dash-dot broken lines in FIGS. 1-3 illustrate the boundary of the claimed design which forms no part thereof. 

CLAIM The ornamental design for a mount adapter bracket, as shown and described. 